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Original Article
- Survival of Korean Huntington’s Disease Patients
- Han-Joon Kim, Chae-Won Shin, Beomseok Jeon, Hyeyoung Park
- J Mov Disord. 2016;9(3):166-170. Published online September 21, 2016
- DOI: https://doi.org/10.14802/jmd.16022
- 15,527 View
- 152 Download
- 11 Web of Science
- 10 Crossref
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Abstract
PDF - Objective
The survival of Huntington’s disease (HD) patients is reported to be 15–20 years. However, most studies on the survival of HD have been conducted in patients without genetic confirmation with the possible inclusion of non-HD patients, and all studies have been conducted in Western countries. The survival of patients with HD in East Asia, where its prevalence is 10–50-fold lower compared with Western populations, has not yet been reported.
Methods
Forty-seven genetically confirmed Korean HD patients from independent families were included in this retrospective medical record review study.
Results
The mean age at onset among the 47 patients was 46.1 ± 14.0 years. At the time of data collection, 25 patients had died, and these patients had a mean age at death of 57.8 ± 13.7 years. The Kaplan-Meier estimate of the median survival from onset in the 47 patients was 14.5 years (95% confidence interval: 12.3–16.6). None of the following factors were associated with the survival time in the univariate Cox regression analysis: gender, age at onset, normal CAG repeat size, mutant CAG repeat size, and the absence or presence of non-motor symptoms at onset.
Conclusion
This is the first Asian study on survival in HD patients. Survival in Korean HD patients may be shorter than that reported for Western populations, or at least is in the lower range of expected survival. A larger longitudinal observation study is needed to confirm the results found in this study. -
Citations
Citations to this article as recorded by
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Orphanet Journal of Rare Diseases.2021;[Epub] CrossRef - Epidemiology of Huntington disease in Cyprus: A 20‐year retrospective study
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PLOS Genetics.2018; 14(5): e1007274. CrossRef
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